Key ring



FIG. 1 is a perspective view of my new design for a key ring;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is a back view of FIG. 1;

FIG. 6 is a left side view of FIG. 1; and,

FIG. 7 is a bottom view of FIG. 1.

It being understood that the broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a key ring, as shown and described. 